EP2267972A1 - Système de réseau informatique et méthode pour le contrôle des screen- et sourceshots à travers le réseau - Google Patents

Système de réseau informatique et méthode pour le contrôle des screen- et sourceshots à travers le réseau Download PDF

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Publication number
EP2267972A1
EP2267972A1 EP10175007A EP10175007A EP2267972A1 EP 2267972 A1 EP2267972 A1 EP 2267972A1 EP 10175007 A EP10175007 A EP 10175007A EP 10175007 A EP10175007 A EP 10175007A EP 2267972 A1 EP2267972 A1 EP 2267972A1
Authority
EP
European Patent Office
Prior art keywords
image
controlled
screenshots
resolution
sourceshots
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP10175007A
Other languages
German (de)
English (en)
Inventor
Thomas Bauch
Gerhard Lang
Peter Krüger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Brainlab AG
Original Assignee
Brainlab AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Brainlab AG filed Critical Brainlab AG
Publication of EP2267972A1 publication Critical patent/EP2267972A1/fr
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
    • G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
    • G16H40/63—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for local operation
    • G—PHYSICS
    • G16—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
    • G16H—HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
    • G16H40/00—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices
    • G16H40/60—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices
    • G16H40/67—ICT specially adapted for the management or administration of healthcare resources or facilities; ICT specially adapted for the management or operation of medical equipment or devices for the operation of medical equipment or devices for remote operation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/75—Indicating network or usage conditions on the user display
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B2017/00017—Electrical control of surgical instruments
    • A61B2017/00225—Systems for controlling multiple different instruments, e.g. microsurgical systems
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/20—Surgical navigation systems; Devices for tracking or guiding surgical instruments, e.g. for frameless stereotaxis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
    • A61B34/25—User interfaces for surgical systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1423—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display
    • G06F3/1438—Digital output to display device ; Cooperation and interconnection of the display device with other functional units controlling a plurality of local displays, e.g. CRT and flat panel display using more than one graphics controller

Definitions

  • the present invention concerns a computer network system, especially a network connection to connect several electronically controlled medical devices while providing a central terminal and control display which can easily be handled and kept sterile.
  • the invention concerns further a method for taking screenshots and sourceshots.
  • KVM-switch Keyboard-Video-Mouse switch
  • a central monitor, keyboard and a mouse are connected to the KVM.
  • Two or more PCs are connected to the KVM.
  • the KVM is used to switch between the different PCs. Every connected PC can alternatively be seen and controlled over the central monitor/keyboard/mouse.
  • the video and input signals are directly transferred over their normal cables, such as RGB-cable or PS/2-cable.
  • EP 1 433 432 A1 corresponding to US 2004/0116908 A1 discloses a device for coupling at least two medically applicable instruments, which are coupled to at least two control apparatuses, and includes a central control unit coupled to input or output connections of the at least two control apparatuses.
  • the central control unit includes at least one processor that receives output signals from the at least two control apparatuses and converts the output signals into a unified format.
  • At least one processor receives inputted control signals, converts the control signals into formats corresponding to the respective at least two control apparatuses, and transfers the converted control signals to the at least two control apparatuses to control the at least two medically applicable instruments.
  • US 5,788,688 discloses a surgeon's command and control system including an independent personal computer based electronic control unit that unifies various pieces of equipment currently found in an endoscopic surgical suite into a surgeon centred system.
  • the system utilizes programmed software which simplifies equipment management tasks that currently encumber the surgeon and operating room staff.
  • the surgeon's command and control hardware centers around the personal computer communicating with a sterile control panel located at the surgeon's operating station.
  • a frame store card serves as an electronic pallet to compose and superimpose graphic images onto a surgical image transmitted from an endoscopic camera for display on a heads-up display monitor and the surgical operating station.
  • US 6,117,127 discloses a medical system work station for open or minimally invasive surgery which has a holder tray and at least one terminal unit for handheld instruments of one or more medical devices, and at least one equipment center, spatially separated from the terminal unit, for accepting non-manipulated components of the medical devices, and at least one connection unit that connects the terminal unit and the equipment centre with one another.
  • US 6,928,490 B1 discloses a networking infrastructure for an operating room, comprising a plurality of medical devices, wherein each device is connected through a single communication channel to the network and each device may be controlled through a local interface, or through a remote interface available through the network. Furthermore, the networking infrastructure operates in robust manner with respect to the removal of a communication channel to the network associated with the removal of medical device from the network, or with respect to the addition of a communication channel to the network associated with the addition of a medical device to the network.
  • a computer network system comprises at least one and preferably two or more controlled computers, which are hereinafter designated as controlled PCs, and which can include a software, control or computer system for controlling a respective device, preferably a medical device, which can also be or is controlled by another and preferably remote controlling computer or PC, which is connected to the controlled PC over a network.
  • a network can include every data connection between two computers or PCs and can be a standard network or any other data connection such as e.g. serial or parallel data connection or cables.
  • the computer network system comprises further a controlling computer hereinafter referred to as a controlling PC, which is connected via the network, as e.g. the Ethernet, to the controlled PCs to transmit control commands from the controlling PC to the controlled PCs.
  • At least one central terminal display is provided, which is connected and preferably directly connected to the controlling PC.
  • a single video routing hardware is provided which is preferably connected to each controlled PC to receive a monitor or video signal from each controlled PC and which is furthermore connected to each central terminal display to transmit a monitor or video signal preferably of the same quality and resolution as that received from one or more of the controlled PCs to the central terminal display.
  • the invention combines the advantages of the KVM and remote desktop technologies.
  • the video routing using a video router instead of transmitting the video signals over the network provides superior image quality and performance.
  • the input transfer over a data connection provides a broad compatibility of different devices that cannot be achieved by using a KVM system.
  • the video routing hardware can distribute the video signal to more than one terminal and all these terminals can display and operate the same PC simultaneously.
  • the possibility to control different medical devices from one or more terminals eliminates the need for the surgeon or assisting personal to manipulate and control each single device through its own control screen, buttons or switches, so that it is not necessary to access the respective medical device which can be placed at a remote location from the surgeon or assisting personal, so that the time-consuming and sometimes cumbersome procedure for manipulating and controlling each separate medical device is no longer necessary. Further, it may also allow to completely eliminating the screen and control means of the controlled PC, which simplifies the system set-up.
  • medical devices that do not offer an option for sterile manipulation and that commonly require handling by a non-sterile assistant can be controlled in the sterile field via the central touch screen which can be provided with a sterile draping.
  • the original graphic user interface of the respective medical device can be presented to the user, since the original video or monitor signal is directly and preferably unchanged sent to the central terminal display, the user does not have to adapt to an additional or foreign user interface, which enhances the usability and operability of the whole computer network system. Therefore, it is not necessary to implement an own mirrored user interface for every single controlled application.
  • the controlled application does not need to support the additional control in any way, since it is, according to the invention, not necessary to distinguish whether some input has its origin in a local keyboard, mouse or touch screen, or whether it was generated by e.g. an additional software which can be installed on each respective controlled PC called "input client".
  • Preferably error or warning messages from at least one and preferably all integrated controlled PCs can be displayed on the central terminal, so that the user only has to watch a central terminal display and is not forced to take a look on every single screen of every separate medical device or to switch through all devices to see if errors occurred or warnings were output. If such an error or warning message occurs, this message can be always visible on a central terminal, e.g. by displaying it in front of the actual screen, regardless which medical device or PC is currently visible there.
  • the invention relates to a method for operating a network system as described above, wherein control commands from a controlling PC or controlling computer are sent via a data connection which can include a network to at least one controlled computer or PC.
  • control commands from a controlling PC or controlling computer are sent via a data connection which can include a network to at least one controlled computer or PC.
  • the video or monitor signals from at least one and preferably all controlled computers or PCs are sent to a video router or video routing hardware, which transmits these monitor or video signals to at least one central terminal screen without using the data connection or network used for transmitting control commands between the controlling computer and the controlled computers.
  • the invention relates to a computer program, which can be loaded or running on a computer and which, when loaded or running on a computer, performs the method for operating the network system as described in this application.
  • the invention relates also to a program storage medium or computer program product comprising such a computer program.
  • the invention allows controlling different PCs over one or more central terminals.
  • These PCs can be - but don't have to be - part of medical devices.
  • the PCs can be operated via touch screen or keyboard and mouse.
  • an additional software called "Input Client” can be installed that performs the control of that PC by generating operating system input events in a similar way like for instance touch screen drivers generate input events.
  • This Input Client can also display a small graphical user interface in front of all other applications on that PC.
  • the graphical user interface of the Input client can be used to switch between different controlled PCs.
  • the graphical user interface of the Input Clients can display status and warning messages. Since this user interface may occlude some part of the applications user interface, it detects which application is currently visible and moves itself to a suitable position on the screen, where it does not handicap the operation of that application.
  • the Input Client can e.g. detect warning messages of the controlled applications and can distribute them to the Input Clients of all other integrated PCs, who then can display a warning to the user.
  • the detection of such warnings from an application can be done through inter-application communication, by searching operating system data structures to identify whether there is for example a dialog window with the text "error” or "warning" in its title or by pattern recognition to identify warnings or errors by analyzing the content that is displayed by the application.
  • the invention allows thus controlling one or more PCs from a central terminal (e.g. touch screen or monitor / keyboard / mouse), wherein to control such a PC only the input (keyboard, mouse / touch clicks) can be transferred e.g. over a network.
  • a central terminal e.g. touch screen or monitor / keyboard / mouse
  • the input keyboard, mouse / touch clicks
  • any other data connections to the controlled PCs can be used, e.g. serial or parallel cables.
  • the Input Client can receive the input events and can translate these into normal operating system input events. The principle can be compared with a touch screen driver that generates input events from the data that it receives over the serial connection to the touch screen.
  • the monitor signal of the controlled PCs can be distributed by a video routing hardware (e.g. a matrix switch, video processor, ...) to the central terminal. So the operator will see the original monitor content like he would see when he uses a KVM, but he controls the devices over a data connection that is independent from the video connection.
  • a video routing hardware e.g. a matrix switch, video processor,
  • the input signals from the central terminals are permanently connected or transmitted to the controlling PC.
  • the monitor input of the central monitor or touch screen is connected to the video routing hardware.
  • the controlling PC does not need to display any content on its own graphics output and even does not need to have one.
  • the operator will see the original image of the controlled PC when he operates the system. His input is received by the controlling PC and then transferred over the data connection to the controlled PC, where the control data is translated by the Input Client into system input events.
  • the controlling PC issues a switch command to the video routing hardware.
  • the video routing hardware will then route the video signal of the newly controlled PC instead of the signal of the formerly controlled PC to the central terminal.
  • the controlling PC will transfer the following input to the Input Client of the newly controlled PC.
  • the Input Client can display a small graphical user interface (GUI) in front of all other applications. This GUI will then occlude some part of the application that the user wants to control. Since the occluded part can be important for the proper function of that software, the GUI can be moved to different positions on the screen. Every different application that shall be controlled can have a different position on the screen where the GUI of the Input Client does not handicap the operation of that applications and where it does not cover important information displayed by the application. Such suitable positions can be configured for all applications that shall be controlled. The Input Client will automatically detect which application on a controlled PC is currently visible and moves itself accordingly to a position that is suitable for that application.
  • GUI graphical user interface
  • the Input Client is able to detect warning or error messages on the controlled PC. This detection can be achieved in different ways.
  • One possibility is an inter-application-communication. In this case the application that originates the warnings is aware of the Input Client and supports the inter-application-communication. It will then directly inform the Input Client of the warning.
  • a second possibility to detect warnings are operating system data structures of the currently existing windows.
  • the Input Client will detect every new window that is opened and will analyze whether the window displays some warning or error information. This can be achieved for example by testing whether the window title contains the word "error” or "warning".
  • a third possibility to detect warning or error conditions is a pattern recognition.
  • the Input Client periodically analyzes the screen content of its PC. If a content is recognized that is known as a warning / error condition, the Input Client can detect and forward such a condition.
  • the Client can be trained by the user which graphical content represents such conditions.
  • the Input Client distributes that message through a central server on the controlling PC to all connected Input Clients on the other controlled PCs.
  • a central server on the controlling PC When such an other Input Client is notified about such a condition, it can display a warning on its screen. Because all warnings from all integrated devices will be displayed by all Input Clients, a warning is always visible on all displays, including the central terminal. The user is therefore informed about warnings from any integrated device, regardless which PC is currently shown on the central terminal.
  • the invention relates to a method for taking screenshots and/or sourceshots of a plurality of images from a plurality of image sources, wherein the shots are initiated simultaneously e.g. by a single action of a user while keeping preferably the original resolution and/or size of each image.
  • the invention allows taking screenshots of multiple screens at the same time and to take image stills, also called sourceshots, of a video source or a computer or PC source, which can also be possible before this image is shown on a display.
  • screenshots and sourceshots can also be combined and can be taken or initiated simultaneously.
  • a combined screenshot and/or sourceshot consisiting of at least two screenshots or at least two sourceshots or at least one screenshot and one sourceshot is formed, wherein at least 70 % and preferably more, as e.g. 80 % or 90% of the original resolution and/or size and/or color depth of each image or of the respective image source can be maintained, although these separate images are combined to a single screen- and sourceshot which can comprise a plurality of different image files.
  • screenshots of multiple screens can be taken at the same time.
  • the invention allows selecting or changing the respective screens conveniently via a central graphical user interface or a video routing hardware, as described above.
  • the user obtains multiple screenshots from different images sources, computers or PCs that have been taken simultaneously, as for example exactly at the same time.
  • simultaneously can also mean that the time difference between the screenshot and the corresponding sourceshot has a predetermined given maximum difference, such as for example three frames.
  • Obtaining multiple screenshots at exactly the same time allows an exact alignment of the respective different screenshots.
  • each screen can be stored in a separate image file that has the resolution of the respective screen, so that there are no unused or black areas in the combined shot, even if the respective original images have different screen resolutions.
  • a shot of a video or PC signal can be taken before it is scaled and displayed at the screen.
  • the user can for example display four downscaled sources on one screen which does not contain any black areas, while the pictures of all sources can be provided with the original resolution.
  • screenshots and sourceshots are combined, the user can automatically be provided with an overview picture and the contained sources in full resolution.
  • the sourceshot functionality also allows to capture a source that is not displayed at all on a screen, which functionality can for example be used to automatically create image captures of sources for documentation purposes in regular intervals.
  • This automatic documentation is also possible when the respective displays show some other content and can be used for documenting a medical procedure.
  • a system for performing the inventive method comprises the video processor to which video sources, like for example microscopes, endoscopes and computer or PC sources, like for example a navigation system or C-arms, can be connected. Additionally, the video processors can provide or have connections to some displays like for example monitors or beamers.
  • the signal from a connected source can be digitized inside an input card, if necessary, i.e. if the signal from the connected source is for example an analog signal.
  • the input card can then feed the digitized signal to a proprietary high-speed bus. Then this signal is received by output cards and displayed on a monitor.
  • screenshot as used in the description can be understood as being a shot performed by or from an output card.
  • sourceshot can be understood as a shot being performed by or from an input card. Every output card can perform screenshots simultaneously with other output cards or screenshots. If there were for example 10 output cards, wherein for example every card is a dual head card with two independent monitor connectors, a simultaneous screenshot would represent up to 20 pictures at once.
  • Every input card can perform sourceshots simultaneously with the others. If there were for example 10 input cards and every card is a dual head card with two independent PC input connections, a simultaneous sourceshot would represent up to 20 pictures at once. Additionally, there are input cards which can connect twelve video sources instead of two PC sources, so that the number of pictures would increase accordingly.
  • Both, screenshot and sourceshot can be done simultaneously, wherein a time difference between a screenshot and the corresponding sourceshot(s) of a given number of for example three frames can be interpreted as being simultaneously, as mentioned above.

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Medical Informatics (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Epidemiology (AREA)
  • Primary Health Care (AREA)
  • Public Health (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Computing Systems (AREA)
  • User Interface Of Digital Computer (AREA)
EP10175007A 2006-02-21 2006-02-21 Système de réseau informatique et méthode pour le contrôle des screen- et sourceshots à travers le réseau Ceased EP2267972A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06003509A EP1821483A1 (fr) 2006-02-21 2006-02-21 Système de réseau informatique et méthode pour le contrôle des screen- et sourceshots à travers le réseau

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP06003509.4 Division 2006-02-21

Publications (1)

Publication Number Publication Date
EP2267972A1 true EP2267972A1 (fr) 2010-12-29

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EP10175007A Ceased EP2267972A1 (fr) 2006-02-21 2006-02-21 Système de réseau informatique et méthode pour le contrôle des screen- et sourceshots à travers le réseau
EP06003509A Withdrawn EP1821483A1 (fr) 2006-02-21 2006-02-21 Système de réseau informatique et méthode pour le contrôle des screen- et sourceshots à travers le réseau

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EP06003509A Withdrawn EP1821483A1 (fr) 2006-02-21 2006-02-21 Système de réseau informatique et méthode pour le contrôle des screen- et sourceshots à travers le réseau

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US (2) US8209438B2 (fr)
EP (2) EP2267972A1 (fr)

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US20100245388A1 (en) 2010-09-30

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